3266440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 7418880

約数和(自身を除く): 4152440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 643, 1016, 1270, 1286, 2540, 2572, 3215, 5080, 5144, 6430, 12860, 25720, 81661, 163322, 326644, 408305, 653288, 816610, 1633220, 3266440]

約数ペア:

[(1, 3266440), (2, 1633220), (4, 816610), (5, 653288), (8, 408305), (10, 326644), (20, 163322), (40, 81661), (127, 25720), (254, 12860), (508, 6430), (635, 5144), (643, 5080), (1016, 3215), (1270, 2572), (1286, 2540)]